/// <inheritdoc />
public IEnumerable <ICommit> Parents(ICommit commit)
{
if (!(commit is HgCommit hgCommit))
{
throw new InvalidOperationException($"{commit.GetType()} is not supported.");
}
var command = new ParentsCommand()
.WithRevision(hgCommit);
return(_repository.Parents(command)
.Select(changeset => (HgCommit)changeset));
}